Server-Side Request Forgery (SSRF) Affecting node-pdf-generator package, versions *


0.0
high
  • Exploit Maturity

    Proof of concept

  • Attack Complexity

    Low

  • Confidentiality

    High

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  • snyk-id

    SNYK-JS-NODEPDFGENERATOR-609636

  • published

    5 Oct 2020

  • disclosed

    3 Sep 2020

  • credit

    Vasilii Ermilov

How to fix?

There is no fixed version for node-pdf-generator.

Overview

node-pdf-generator is a Web server to generate PDF's from HTML

Affected versions of this package are vulnerable to Server-Side Request Forgery (SSRF). Due to lack of user input validation and sanitization done to the content given to node-pdf-generator, it is possible for an attacker to craft a url that will be passed to an external server allowing an SSRF attack.

PoC


git clone https://github.com/darrenhaken/node-pdf-generator.git

cd node-pdf-generator

npm install

node index.js

The app will be available at https://localhost:1337

send crafted request like:


curl --location --request POST 'https://127.0.0.1:1337/' --header 'Content-Type: text/html' --data-raw ''